Children&#39;s keyboard



FIG. 1 is a perspective view of a children's keyboard showing our new design;

FIG. 2 is a top plan view;

FIG. 3 is a bottom plan view;

FIG. 4 is a front view;

FIG. 5 is a rear view;

FIG. 6 is a left-side view; and,

FIG. 7 is a right-side view. 

The ornamental design for a children's keyboard, as shown and described. 